Check Accelerator Pedal Sensor Area (Method With Circuit Tester)

1. Remove the back panel - pocket. Refer to REMOVAL , Glove Box.
2. Turn the ignition switch to ON. (engine OFF)
3. Measure the voltage between ECM connector terminals.
   Fig 1: Identifying ECM Connector Terminals

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   Main sensor side

   Fig 2: Measuring Voltage Between ECM Connector Terminals (Main Sensor Side)

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   Sub sensor side

   Fig 3: Measuring Voltage Between ECM Connector Terminals (Sub Sensor Side)

   Courtesy of SUBARU OF AMERICA, INC.

   Accelerator pedal sensor	Accelerator pedal	Terminal No.	Standard
   Main	Not depressed (Full closed)	23 (+) and 29 (-)	Approx. 1.0 V
   	Depressed (Full opened)		Approx. 3.3 V
   Sub	Not depressed (Full closed)	31 (+) and 30 (-)	Approx. 1.0 V
   	Depressed (Full opened)		Approx. 3.3 V

4. After inspection, install the related parts in the reverse order of removal.

Tightening torque: 

7.5 N.m (0.8 kgf-m, 5.5 ft-lb)